Name
Name
Function
Function
TMP88CU74F Terminal Function
TMP88CU74F Terminal Function
Pin
Pin
No.
No.
1
1
P02/S01
P02/S01
RDS RESET
RDS RESET
O
O
C
C
Z
Z
L
L
RDS reset output (LC7074)
RDS reset output (LC7074)
2
2
P03
P03
OSD RST
OSD RST
O
O
C
C
Z
Z
H
H
OSD control output (M35015)
OSD control output (M35015)
3
3
P04
P04
ST/MONO
ST/MONO
O
O
C
C
Z
Z
L
L
STEREO/MONO control signal, L: STEREO
STEREO/MONO control signal, L: STEREO
4
4
P05
P05
PLFL DATA
PLFL DATA
O
O
C
C
Z
Z
L
L
PLL, FL control terminal (LC72131 & LC75721NE)
PLL, FL control terminal (LC72131 & LC75721NE)
5
5
P06
P06
PLL STB
PLL STB
O
O
C
C
Z
Z
L
L
PLL control terminal (LC72131)
PLL control terminal (LC72131)
6
6
P07
P07
PLFL CLK
PLFL CLK
O
O
C
C
Z
Z
L
L
PLL, FL control terminal (LC72131 & LC75721NE)
PLL, FL control terminal (LC72131 & LC75721NE)
7
7
Vss
Vss
Vss
Vss
II
GND
GND
L
L
GND
GND
8
8
Xout
Xout
Xout
Xout
O
O
XTAL
XTAL
9
9
Xin
Xin
Xin
Xin
II
XTAL
XTAL
10
10 RESET_
RESET_
RESET_
RESET_
II
Eu
Eu
Lv
Lv
L
L
Reset input
Reset input
11
11 P22/XTOUT
P22/XTOUT TUNED_
TUNED_
II
Eu
Eu
Lv
Lv
Z
Z
Tuning detect, L: Tuned
Tuning detect, L: Tuned
12
12 P21/XTIN
P21/XTIN
STEREO_
STEREO_
II
Eu
Eu
Lv
Lv
Z
Z
L: At stereo receive
L: At stereo receive
13
13 TEST
TEST
TEST
TEST
II
GND
GND
S
S
Connect to GND
Connect to GND
14
14 P20/INT5_
P20/INT5_
B.DOWN_
B.DOWN_
II
Eu
Eu
Lv
Lv
Z
Z
Power down detect, L: Power down
Power down detect, L: Power down
15
15 P10/INT0_
P10/INT0_
PROTECT_
PROTECT_
II
Ed
Ed
E&L
E&L
Z
Z
PROTECTION detect input, H: Detect
PROTECTION detect input, H: Detect
16
16 P11/INT1
P11/INT1
RDS START
RDS START
II
Z
Z
L
L
RDS data input (LC7074)
RDS data input (LC7074)
O
O
C
C
Z
Z
H
H
OSD control output (M35015)
OSD control output (M35015)
O
O
C
C
Z
Z
H
H
OSD control output (M35015)
OSD control output (M35015)
O
O
C
C
Z
Z
L
L
OSD control output (M35015)
OSD control output (M35015)
II
Ed
Ed
E&L
E&L
Z
Z
Remote control signal input
Remote control signal input
O
O
C
C
Z
Z
L
L
MAIN-SUB CPU comm. control terminal
MAIN-SUB CPU comm. control terminal
II
Eu
Eu
Z
Z
L
L
MAIN-SUB CPU comm. control terminal
MAIN-SUB CPU comm. control terminal
II
MAIN-SUB CPU comm. control terminal
MAIN-SUB CPU comm. control terminal
O
O
C
C
MAIN-SUB CPU comm. control terminal
MAIN-SUB CPU comm. control terminal
O
O
C
C
MAIN-SUB CPU comm. control terminal
MAIN-SUB CPU comm. control terminal
II
Eu
Eu
Lv
Lv
Z
Z
Destination switching input
Destination switching input
II
Eu
Eu
Lv
Lv
Z
Z
Button input 1
Button input 1
II
Eu
Eu
Lv
Lv
Z
Z
Button input 2
Button input 2
29
29 P43/AIN3
P43/AIN3
KEY3
KEY3
II
Eu
Eu
Lv
Lv
Z
Z
Button input 3
Button input 3
30
30 P44/AIN4
P44/AIN4
FUNC STB1
FUNC STB1
O
O
C
C
Z
Z
Function control output (TC9274N), INPUT
Function control output (TC9274N), INPUT
31
31 P45/AIN5
P45/AIN5
FUNC/T. CON CLK
FUNC/T. CON CLK
O
O
C
C
Z
Z
L
L
Function control output (TC9274N, TC9273), TONE control output (TC9184P)
Function control output (TC9274N, TC9273), TONE control output (TC9184P)
32
32 P46/AIN6
P46/AIN6
FUNC/T. CON DATA
FUNC/T. CON DATA
O
O
C
C
Z
Z
L
L
Function control output (TC9274N, TC9273), TONE control output (TC9184P)
Function control output (TC9274N, TC9273), TONE control output (TC9184P)
33
33 P47/AIN7
P47/AIN7
FUNC STB2
FUNC STB2
O
O
C
C
Z
Z
L
L
Function control output (NJU7313), 6CH EXT. IN
Function control output (NJU7313), 6CH EXT. IN
34
34 P50/AIN8
P50/AIN8
E.VOL STB
E.VOL STB
O
O
C
C
L
L
L
L
Elect. volume control output (TC9459)
Elect. volume control output (TC9459)
35
35 P51/AIN9
P51/AIN9
TONE STB
TONE STB
O
O
C
C
L
L
L
L
TONE control output (TC9184P)
TONE control output (TC9184P)
36
36 P52/AIN10
P52/AIN10
E.VOL DATA
E.VOL DATA
O
O
C
C
L
L
H
H
Elect. volume control output (TC9459)
Elect. volume control output (TC9459)
37
37 P53/AIN11
P53/AIN11
E.VOL CLK
E.VOL CLK
O
O
C
C
L
L
H
H
Elect. volume control output (TC9459)
Elect. volume control output (TC9459)
Symbol
Symbol
I/O
I/O
Type
Type
Op
Op
Det
Det
Res
Res
Init
Init
SEMICONDUCTORS
SEMICONDUCTORS
&
&
IC’s
IC’s
Note:
Note: Abbreviation ahead of IC No. indicates the name of P.W.B.
Abbreviation ahead of IC No. indicates the name of P.W.B.
PO:
PO: Power P.W.B.
Power P.W.B.
RE:
RE: Requlator P.W.B.
Requlator P.W.B.
EX:
EX: Exit in P.W.B.
Exit in P.W.B.
AU:
AU: Audio/DSP P.W.B.
Audio/DSP P.W.B.
CO:
CO: Control P.W.B.
Control P.W.B.
TMP88CU74F
TMP88CU74F
(CO: IC303)
(CO: IC303)
Function
Function
38
38 VASS
VASS
VASS
VASS
II
Ref. volt (GND)
Ref. volt (GND)
39
39 VAREF
VAREF
VAREF
VAREF
II
Ref. volt (VDD)
Ref. volt (VDD)
40
40 VDD
VDD
VDD
VDD
II
Power supply
Power supply
41
41 P60
P60
FL CE
FL CE
O
O
P
P
Ed
Ed
S
S
L
L
H
H
FL display control output (LC75712NE)
FL display control output (LC75712NE)
42
42 P61
P61
FL RES
FL RES
O
O
P
P
Ed
Ed
S
S
L
L
H
H
FL display control output (LC75712NE)
FL display control output (LC75712NE)
43
43 P62
P62
FUNC STB3
FUNC STB3
O
O
P
P
Ed
Ed
Z
Z
L
L
Function control output (TC9273), REC OUT
Function control output (TC9273), REC OUT
44
44 P63
P63
FA-RELAY
FA-RELAY
O
O
P
P
Id
Id
L
L
L
L
Front SP relay A control terminal, L: Mute
Front SP relay A control terminal, L: Mute
45
45 P64
P64
FB-RELAY
FB-RELAY
O
O
P
P
Id
Id
L
L
L
L
Front SP relay B control terminal, L: Mute
Front SP relay B control terminal, L: Mute
46
46 P65
P65
C-RELAY
C-RELAY
O
O
P
P
Id
Id
L
L
L
L
Center SP relay control terminal, L: Mute
Center SP relay control terminal, L: Mute
47
47 P66
P66
S-RELAY
S-RELAY
O
O
P
P
Id
Id
L
L
H
H
Surround SP relay control terminal, L: Mute
Surround SP relay control terminal, L: Mute
48
48 P67
P67
PRE F MUTE
PRE F MUTE
O
O
P
P
Ed
Ed
L
L
H
H
Front PRE OUT mute control terminal, L: Mute
Front PRE OUT mute control terminal, L: Mute
49
49 P70
P70
PRE C MUTE
PRE C MUTE
O
O
P
P
Ed
Ed
L
L
L
L
Center PRE OUT mute control terminal, L: Mute
Center PRE OUT mute control terminal, L: Mute
50
50 P71
P71
PRE S MUTE
PRE S MUTE
O
O
P
P
Ed
Ed
L
L
L
L
Surround PRE OUT mute control terminal, L: Mute
Surround PRE OUT mute control terminal, L: Mute
51
51 P72
P72
SUB WOOFER MUTE
SUB WOOFER MUTE
O
O
P
P
Ed
Ed
L
L
H
H
Sub-woofer PRE OUT mute control terminal, L: Mute
Sub-woofer PRE OUT mute control terminal, L: Mute
52
52 P73
P73
H/P RELAY
H/P RELAY
O
O
P
P
Id
Id
L
L
H
H
H/P OUT relay control terminal, L: Mute
H/P OUT relay control terminal, L: Mute
53
53 P74
P74
EXP OE
EXP OE
O
O
P
P
Ed
Ed
L
L
H
H
Port expander control terminal (BU4094B)
Port expander control terminal (BU4094B)
54
54 P75
P75
EXP CLK
EXP CLK
O
O
P
P
Ed
Ed
L
L
L
L
Port expander control terminal (BU4094B)
Port expander control terminal (BU4094B)
55
55 P76
P76
EXP DATA
EXP DATA
O
O
P
P
Ed
Ed
L
L
L
L
Port expander control terminal (BU4094B)
Port expander control terminal (BU4094B)
56
56 P77
P77
EXP STB
EXP STB
O
O
P
P
Ed
Ed
L
L
L
L
Port expander control terminal (BU4094B)
Port expander control terminal (BU4094B)
57
57 P80
P80
POWER
POWER
O
O
P
P
Id
Id
L
L
H
H
Power relay control output, H: ON
Power relay control output, H: ON
58
58 P81
P81
RESET2
RESET2
O
O
P
P
Id
Id
L
L
L
L
Reset signal output to sub-CPU, H: Reset
Reset signal output to sub-CPU, H: Reset
59
59 P82
P82
SUB-CPU-B-DOWN
SUB-CPU-B-DOWN
O
O
P
P
Id
Id
L
L
L
L
B-DOWN signal output to sub-CPU
B-DOWN signal output to sub-CPU
60
60 P83
P83
TAPE MON. LED
TAPE MON. LED
O
O
P
P
Id
Id
L
L
L
L
TAPE MONITOR LED indicator control, H: MONITOR
TAPE MONITOR LED indicator control, H: MONITOR
61
61 P84
P84
STANDBY
STANDBY
O
O
P
P
Id
Id
L
L
H
H
Standby LED drive output H: Light
Standby LED drive output H: Light
62
62 P85
P85
DIRECT
DIRECT
O
O
P
P
Id
Id
L
L
L
L
DIRECT relay control, H: DIRECT
DIRECT relay control, H: DIRECT
63
63 P86
P86
S1
S1
O
O
P
P
Id
Id
L
L
Video signal switching control output
Video signal switching control output
64
64 P87
P87
S2
S2
O
O
P
P
Id
Id
L
L
Video signal switching control output
Video signal switching control output
65
65 P90
P90
TUNER MUTE
TUNER MUTE
O
O
P
P
Ed
Ed
L
L
H
H
TUNER mute control terminal, H: Mute
TUNER mute control terminal, H: Mute
66
66 P91
P91
O
O
P
P
Id
Id
L
L
H
H
Not Used
Not Used
67
67 P92
P92
S MONI DET
S MONI DET
II
Eu
Eu
Lv
Lv
Z
Z
S monitor connection detect input, L: Connected
S monitor connection detect input, L: Connected
68
68 P93
P93
S SIG DET
S SIG DET
II
Eu
Eu
Lv
Lv
Z
Z
S signal detect input, H: Detected
S signal detect input, H: Detected
69
69 P94
P94
SYNC DET.
SYNC DET.
II
Eu
Eu
Lv
Lv
Z
Z
Sync detect input, H: Ext. sync
Sync detect input, H: Ext. sync
70
70 P95
P95
SEL A (M)
SEL A (M)
II
Eu
Eu
Lv
Lv
Z
Z
Master volume rotation detect input (rotary encoder)
Master volume rotation detect input (rotary encoder)
71
71 P96
P96
SEL B (M)
SEL B (M)
II
Eu
Eu
Lv
Lv
Z
Z
Master volume rotation detect input (rotary encoder)
Master volume rotation detect input (rotary encoder)
72
72 P97
P97
CINEMA EQ
CINEMA EQ
O
O
P
P
Eu
Eu
Lv
Lv
Z
Z
L
L
CINEMA EQ control output, H: ON
CINEMA EQ control output, H: ON
73
73 PD0
PD0
VOL MUTE
VOL MUTE
O
O
P
P
Ed
Ed
L
L
L
L
Master volume minimum control, L: Min.
Master volume minimum control, L: Min.
74
74 PD1
PD1
SEL C (S)
SEL C (S)
II
Eu
Eu
Lv
Lv
Z
Z
Surround mode rotation detect input (rotary encoder)
Surround mode rotation detect input (rotary encoder)
75
75 PD2
PD2
SEL D (S)
SEL D (S)
II
Eu
Eu
Lv
Lv
Z
Z
Surround mode rotation detect input (rotary encoder)
Surround mode rotation detect input (rotary encoder)
76
76 PD3
PD3
SEL E (F)
SEL E (F)
II
Eu
Eu
Lv
Lv
Z
Z
Input selector switch rotation detect input (rotary encoder)
Input selector switch rotation detect input (rotary encoder)
77
77 PD4
PD4
SEL F (F)
SEL F (F)
II
Eu
Eu
Lv
Lv
Z
Z
Input selector switch rotation detect input (rotary encoder)
Input selector switch rotation detect input (rotary encoder)
78
78 Vkk
Vkk
Vkk
Vkk
GND fixed
GND fixed
79
79 P00/SCK1_
P00/SCK1_ RDS CLK
RDS CLK
II
S
S
Z
Z
RDS clock input (LC7074)
RDS clock input (LC7074)
80
80 P01/SI1
P01/SI1
RDS DATA
RDS DATA
II
S
S
Z
Z
RDS data input (LC7074)
RDS data input (LC7074)
I/O
I/O
Type
Type
Op
Op
Det
Det
Res
Res
Init
Init
Name
Name
Pin
Pin
No.
No.
Symbol
Symbol
NOTE:
Pin No.
: Terminal number of microcomputer.
Port Name
: The name entered in the data sheet of microcomputer.
Symbol
: Symbolized interface function.
I/O
: Input or out of part.
“I”
= Input port
“O”
= Output port
Type
: Composition of port in case of output port.
“C”
= CMOS output
“N”
= NMOS open drain output
“P”
= PMOS open drain output
Op
: Pull up/Pull down selection information.
“Iu”
= Inner microcomputer pull up
“Id”
= Inner microcomputer pull down
“Eu”= External microcomputer pull up
“Ed”= External microcomputer pull down
Det
: Indicates judging state of input port. Level detection is “LV”; Edge detection is “Ed”; Detection by both shifting is “E&L”;
Serial data detection is “S” (Serial data output is also “S”).
Res
: State at reset.
“H”
= Outputs High Level at reset
“L”
= Outputs Low Level at reset
“Z”
= Becomes High impedance mode at reset
Ini
: Initial output state.
Function
: Function and logical level explanation of signals to be interface.
1
24
25
40
41
64
65
80
13
13
AVR-2801/981
AVR-2801/981
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
